The Airtel Telecom company is not providing good service for 3g. Because they want to change his/her sim in 4g but I want only 3g but 3g is not working in my areas properly automatically change in 2g. Many times. while i did it in 3g only then network goes down. I complaint here but not working <a href="http://www.iaminindias.in/customer-complaints/">Customer Complaints Websites</a>